53803231 has 4 divisors (see below), whose sum is σ = 56635000. Its totient is φ = 50971464.

The previous prime is 53803229. The next prime is 53803247. The reversal of 53803231 is 13230835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13230835 = 5 ⋅2646167.

It is a cyclic number.

It is not a de Polignac number, because 53803231 - 2¹ = 53803229 is a prime.

It is a super-4 number, since 4×53803231⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53803196 and 53803205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53803271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415856 + ... + 1415893.

It is an arithmetic number, because the mean of its divisors is an integer number (14158750).

Almost surely, 2^53803231 is an apocalyptic number.

53803231 is a deficient number, since it is larger than the sum of its proper divisors (2831769).

53803231 is a wasteful number, since it uses less digits than its factorization.

53803231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831768.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 53803231 is about 7335.0685750032. The cubic root of 53803231 is about 377.5166573063.

The spelling of 53803231 in words is "fifty-three million, eight hundred three thousand, two hundred thirty-one".